CN104768109B - A kind of loudspeaker mould group - Google Patents
A kind of loudspeaker mould group Download PDFInfo
- Publication number
- CN104768109B CN104768109B CN201510149804.2A CN201510149804A CN104768109B CN 104768109 B CN104768109 B CN 104768109B CN 201510149804 A CN201510149804 A CN 201510149804A CN 104768109 B CN104768109 B CN 104768109B
- Authority
- CN
- China
- Prior art keywords
- induction coil
- shell
- mould group
- coil
- loudspeaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/006—Interconnection of transducer parts
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/127—Non-planar diaphragms or cones dome-shaped
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/045—Mounting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Multimedia (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a kind of loudspeaker mould groups, including the inner cavity surrounded by shell, loudspeaker monomer is provided in the inner cavity of the shell, wherein, further include the first induction coil for electrical connecting terminals device, the second induction coil being correspondingly arranged with the first induction coil, for being electrically connected voice coil in loudspeaker monomer is additionally provided on the shell.Loudspeaker mould group of the invention is connected complete machine output end, voice coil by the first induction coil, the second induction coil, the space of mould group can be greatlyd save using such structure, can develop more frivolous complete machine.But also avoid the problems such as bad because of the performance caused by change in resistance in traditional acoustic-electric connection type.Using the above structure, allow the first induction coil to be arranged except inner cavity, shell is disposably sealed, it is no longer necessary to carry out lead from outside to inside, so as to avoid the secondary seal of wire locations, the production, transport and the assembling with terminal installation of loudspeaker mould group are greatly simplified.
Description
Technical field
The present invention relates to sounding device fields, more particularly it relates to a kind of loudspeaker mould group.
Background technique
Loudspeaker is the important acoustic element in electronic equipment, is a kind of energy converter for electric signal being changed into acoustical signal
Part.Existing loudspeaker mould group, including shell, and setting vibrational system inside the shell, magnetic circuit system, wherein vibrational system
Including vibrating diaphragm and it is arranged in for driving the voice coil of vibrating diaphragm sounding on vibrating diaphragm, which needs to connect by lead with system,
Realize the connection of circuit.In the prior art, the connection between system and voice coil mainly passes through the side such as FPCB plate, lead, elastic slice
Formula, these connection types occupancy mould group space is big, and complex process, causes the reliability of mould group and yields all very low.And
And in order to reduce the distance of voice coil to system, by the way that the pcb board of system can be arranged in module internal, this also occupies mould significantly
The space of group.
Summary of the invention
It is an object of the present invention to provide a kind of new solutions of loudspeaker mould group.
According to the first aspect of the invention, a kind of loudspeaker mould group is provided, including the inner cavity surrounded by shell, described
Loudspeaker monomer is provided in the inner cavity of shell, wherein it further include the first induction coil for electrical connecting terminals device, it is described
Second line of induction being correspondingly arranged with the first induction coil, for being electrically connected voice coil in loudspeaker monomer is additionally provided on shell
Circle.
Preferably, first induction coil and the second induction coil face are arranged.
Preferably, second induction coil is arranged in the inner cavity of shell.
Preferably, magnetic conduction is respectively arranged on the end face that first induction coil, the second induction coil mutually deviate from
Plate.
Preferably, conducting magnetic column or permeance fluid are provided in the through-hole of first induction coil, the second induction coil.
Preferably, the shell includes the upper casing successively snapped together, middle shell, lower casing.
Preferably, second induction coil is located at the side of neighbouring lower casing on middle shell, and first induction coil is located at
The other side of middle shell.
Preferably, first induction coil, the second induction coil are fixed on middle shell by way of gluing or injection molding
On.
Preferably, the corresponding position of middle shell is provided with the limit for accommodating the first induction coil, the second induction coil
Position slot.
Preferably, the limiting slot is surrounded by the protrusion stretched out on middle shell end face.
Complete machine output end, voice coil is connected by the first induction coil, the second induction coil in loudspeaker mould group of the invention,
The space of mould group can be greatlyd save, using such structure so as to develop more frivolous complete machine.But also avoid tradition
The problems such as bad because of the performance caused by change in resistance in acoustic-electric connection type.Using the first induction coil, the second induction coil
Structure, allow the first induction coil be arranged except inner cavity, shell is disposably sealed, do not need from outside to inside into
Line lead greatly simplifies the production, transport and and terminal of loudspeaker mould group so as to avoid the secondary seal of wire locations
The assembling of device.
It was found by the inventors of the present invention that in the prior art, the connection between terminal installation and voice coil is using the side such as lead
Formula, these connection types occupancy mould group space is big, and complex process, causes the reliability of mould group and yields all very low.Cause
This, the technical assignment to be realized of the invention or never expect the technical problem to be solved is that those skilled in the art or
Person it is not expected that, therefore the present invention is a kind of new technical solution.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the sectional view of loudspeaker mould group of the present invention.
Fig. 2 is the schematic diagram of the part detonation configuration of loudspeaker mould group of the present invention.
Fig. 3 is the structural schematic diagram of shell in the present invention.
Wherein, component representated by label is as follows:
1- upper casing；Shell in 2-；3- lower casing；4- frame；5- magnet；6- voice coil；7- vibrating diaphragm；8- top dome；9- acoustic aperture；10- is led
Magnetic sheet；The first induction coil of 11-；The second induction coil of 12-；13- magnetic conductive board；14- terminal installation；15- positioning column；16- limit
Slot.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
With reference to Fig. 1, Fig. 2, a kind of loudspeaker mould group provided by the invention, including the inner cavity surrounded by shell, and installation
Loudspeaker monomer in chamber inside the shell, wherein the loudspeaker monomer includes magnetic circuit system and vibrational system.Magnetic circuit system includes
The components such as frame 4, magnet 5, washer in shell inner cavity, wherein magnet 5 is located in frame 4, and the side wall of itself and frame 4
Between be formed with magnetic gap.Vibrational system includes the vibrating diaphragm 7 being fixed in shell inner cavity, and the voice coil of driving 7 sounding of vibrating diaphragm
6, the voice coil 6 is fixed on vibrating diaphragm 7, and in the magnetic gap being suspended between 4 side wall of magnet 5 and frame；Vibrating diaphragm 7 is by shell
Inner cavity be divided into the preceding operatic tunes and the rear operatic tunes, the position that the preceding operatic tunes is located on shell is provided with acoustic aperture 9, so as to the outflow of sound,
The operatic tunes is enclosed construction afterwards, is only in communication with the outside by damping hole.Top dome 8 etc. can be also equipped in the center of the vibrating diaphragm 7.
After voice coil 6 is powered, voice coil 6 can vibrate under the action of magnetic circuit system, and at the same time, voice coil 6 drives vibrating diaphragm 7 one
With vibration, the sounding of vibrating diaphragm 7 is realized.
Loudspeaker mould group of the invention further includes the first induction coil 11 for electrical connecting terminals device 14, described outer
Second line of induction being correspondingly arranged with the first induction coil 11, for being electrically connected voice coil 6 in loudspeaker monomer is additionally provided on shell
Circle 12.Specifically, it wherein the first induction coil 11 can be fixed on the shell, can also be fixed on terminal installation 14, the end
It is used in the pcb board etc. of the equipment such as can be mobile phone, tablet computer of end device 14, the first induction coil 11 and terminal installation 14
In the control circuit board electrical connection of control loudspeaker sounding.First induction coil 11 can be fixed on the outer wall of shell, can also be with
It is fixed on the inner wall of shell.Second induction coil 12 is preferably fixed in the inner cavity of shell, that is to say, that is fixed on shell
On inner wall.Wherein, the first induction coil 11 and the second induction coil 12 are correspondingly arranged, that is to say, that the two is least partially overlapped
Together, certainly, for those skilled in the art, preferably completely it is overlapped, that is to say, that the first induction coil 11 and
Two induction coils 12 are parallel to each other, and face is set together.
Loudspeaker mould group of the invention, the first induction coil 11 is electrically connected with terminal installation 14, and the second induction coil 12
It is electrically connected with voice coil 6.When work, the current signal of external audio is conducted to the first induction coil 11 by terminal installation 14
On, so that the first induction coil 11 generates magnetic field, the magnetic field generated changes with the variation of voice-frequency signalling current；And second
Induction coil 12 senses the changing magnetic field, that is to say, that when being changed by the magnetic flux of closed circuit, can generate
The electric current of corresponding change, in the current lead-through to voice coil 6 of the variation, driving voice coil 6 vibrates, the final hair for realizing loudspeaker monomer
Sound.
Complete machine output end, voice coil is connected by the first induction coil, the second induction coil in loudspeaker mould group of the invention,
The space of mould group can be greatlyd save using such structure, the complete machine to develop more frivolous provides space.But also it avoids passing
The problems such as bad because of the performance caused by change in resistance in acoustic-electric connection type of uniting.Using the first induction coil, second line of induction
The structure of circle allows the first induction coil to be arranged except inner cavity, shell is disposably sealed, is not needed from outside to inside
Carry out lead, so as to avoid the secondary seal of wire locations, greatly simplifie the production of loudspeaker mould group, transport and with end
The assembling of end device.
In a specific embodiment of the invention, shell includes the upper casing 1 successively snapped together, middle shell 2, lower casing
3, upper casing 1 is fastened on the upper end opening of middle shell 2, and lower casing 3 is fastened on the lower ending opening of middle shell 2, and the internal diameter of 2 both ends open of middle shell
It is different, so that forming one on middle shell 2 can be used for placing the stage portion of the first induction coil 11, the second induction coil 12.Its
In, it can also be by the FPCB plate of the fixed voice coil 6 of positioning column 15, for connecting the lead of voice coil 6, with reference to Fig. 3 on middle shell 2.
Wherein, the first induction coil 11, the second induction coil 12 can be separately positioned on the two sides of middle shell 2, such as described
Second induction coil 12 is located at the side of neighbouring lower casing 3 on middle shell 2, and first induction coil 11 is located at the other side of middle shell 2.
First induction coil 11, the second induction coil 12 can be fixed on middle shell by gluing or injection molding or other machinery connection type
On 2.For example, being provided in the corresponding position of the middle shell 2 for accommodating the first induction coil 11, second line of induction with reference to Fig. 3
The limiting slot 16 of circle 12, wherein the limiting slot 16 is surrounded by the protrusion stretched out on middle 16 end face of shell.First induction coil 11, second
The shape of induction coil 12 can be selected according to actual needs, such as circle, rectangle, ellipse or other irregular shapes
Shape.
In order to improve the magnetic flux utilization rate between the first induction coil 11, the second induction coil 12, first induction
Magnetic conductive board 10,13 is respectively arranged on the end face that coil 11, the second induction coil 12 mutually deviate from.For example, the first induction coil
11, when about 12 face of the second induction coil is arranged, the upper end of the first induction coil 11, magnetic conductive board is arranged in magnetic conductive board 10
13 are arranged in the lower end of the second induction coil 12.By magnetic conductive board 10,13, the utilization rate of magnetic flux not only can be improved, and
It can also avoid influence of two induction coils to other devices.In order to further increase the utilization rate of magnetic flux, described
One induction coil 11, the second induction coil 12 through-hole in conducting magnetic column or permeance fluid etc. can also be set.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (9)
1. a kind of loudspeaker mould group, it is characterised in that: including the inner cavity surrounded by shell, be provided in the inner cavity of the shell
Loudspeaker monomer, wherein further include the first induction coil (11) for electrical connecting terminals device (14), also set on the shell
It is equipped with the second induction coil being correspondingly arranged with the first induction coil (11), for being electrically connected voice coil in loudspeaker monomer (6)
(12)；Second induction coil (12) is arranged in the inner cavity of shell.
2. loudspeaker mould group according to claim 1, it is characterised in that: first induction coil (11) and the second induction
The setting of coil (12) face.
3. loudspeaker mould group according to claim 1, it is characterised in that: first induction coil (11), the second induction
Magnetic conductive board (10,13) are respectively arranged on the end face that coil (12) mutually deviates from.
4. loudspeaker mould group according to claim 1, it is characterised in that: first induction coil (11), the second induction
Conducting magnetic column or permeance fluid are provided in the through-hole of coil (12).
5. loudspeaker mould group according to claim 1, it is characterised in that: the shell include successively snap together it is upper
Shell (1), middle shell (2), lower casing (3).
6. loudspeaker mould group according to claim 5, it is characterised in that: second induction coil (12) is located at middle shell
(2) side of neighbouring lower casing (3), first induction coil (11) are located at the other side of middle shell (2) on.
7. loudspeaker mould group according to claim 6, it is characterised in that: first induction coil (11), the second induction
Coil (12) is fixed on middle shell (2) by way of gluing or injection molding.
8. loudspeaker mould group according to claim 6, it is characterised in that: the corresponding position setting of the middle shell (2) is useful
In the limiting slot (16) for accommodating the first induction coil (11), the second induction coil (12).
9. loudspeaker mould group according to claim 8, it is characterised in that: the limiting slot (16) is by middle shell (2) end face
The protrusion of stretching surrounds.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510149804.2A CN104768109B (en) | 2015-03-31 | 2015-03-31 | A kind of loudspeaker mould group |
| PCT/CN2015/094870 WO2016155324A1 (en) | 2015-03-31 | 2015-11-18 | Loudspeaker module |
| US15/542,858 US10277985B2 (en) | 2015-03-31 | 2015-11-18 | Speaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510149804.2A CN104768109B (en) | 2015-03-31 | 2015-03-31 | A kind of loudspeaker mould group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104768109A CN104768109A (en) | 2015-07-08 |
| CN104768109B true CN104768109B (en) | 2019-03-15 |
Family
ID=53649650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510149804.2A Active CN104768109B (en) | 2015-03-31 | 2015-03-31 | A kind of loudspeaker mould group |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US10277985B2 (en) |
| CN (1) | CN104768109B (en) |
| WO (1) | WO2016155324A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104768109B (en) | 2015-03-31 | 2019-03-15 | 歌尔股份有限公司 | A kind of loudspeaker mould group |
| CN104796828B (en) * | 2015-05-04 | 2018-05-01 | 歌尔股份有限公司 | A kind of loudspeaker module |
| CN105959888A (en) * | 2016-07-18 | 2016-09-21 | 苏州亿欧得电子有限公司 | Compact moving-iron telephone receiver, |
| KR102533426B1 (en) | 2018-05-03 | 2023-05-17 | 삼성전자 주식회사 | Conduit of electronic device and the electronic device comprising the same |
| CN108810767B (en) * | 2018-08-03 | 2020-11-17 | 瑞声科技(新加坡)有限公司 | Loudspeaker and manufacturing method thereof |
| CN114025280B (en) * | 2021-11-30 | 2024-04-09 | 苏州迪倍电子科技有限公司 | Moving iron horn diaphragm with small front cavity |
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|---|---|---|---|---|
| JPS59191945A (en) * | 1984-03-30 | 1984-10-31 | Matsushita Electric Ind Co Ltd | Electromagnetic induction type wireless electroacoustic transducer |
| CN101803221A (en) * | 2007-04-11 | 2010-08-11 | 奥迪康有限公司 | A wireless communication device for inductive coupling to another device |
| CN102780956A (en) * | 2012-06-15 | 2012-11-14 | 李国材 | Non-plug-in type electromagnetic induction voice-frequency amplifying sound box and audio playing device |
| CN202736283U (en) * | 2012-07-31 | 2013-02-13 | 黄俊杰 | Electro-magnetic induction audio wireless connection system |
| CN203618121U (en) * | 2013-12-11 | 2014-05-28 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN103885320A (en) * | 2012-12-21 | 2014-06-25 | 鸿富锦精密工业（深圳）有限公司 | Watch with voice playing function |
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| JP2002112388A (en) * | 2000-09-25 | 2002-04-12 | Akg Acoustics Gmbh | Small-sized acoustic transducer |
| US20040159490A1 (en) * | 2003-02-03 | 2004-08-19 | Marlin Bruce E. | Compact loudspeaker and control switch assembly and method for installing and adjusting a loudspeaker in a partition |
| US20050031118A1 (en) * | 2003-06-11 | 2005-02-10 | Cochran James L. | Electromagnetic data signaling transducers and systems |
| DE102004036255A1 (en) * | 2004-07-26 | 2006-03-23 | Siemens Ag | Hearing aid component for mobile communication terminals |
| US8340336B1 (en) | 2006-01-25 | 2012-12-25 | At&T Mobility Ii Llc | Magnetic coupling enhanced speaker assembly |
| CN102843621B (en) * | 2011-06-22 | 2015-08-05 | 梅庆开 | Portable resonant sound box |
| CN103885321A (en) | 2012-12-21 | 2014-06-25 | 鸿富锦精密工业（深圳）有限公司 | Watch with microphone |
| CN104768109B (en) | 2015-03-31 | 2019-03-15 | 歌尔股份有限公司 | A kind of loudspeaker mould group |
| CN204442659U (en) | 2015-03-31 | 2015-07-01 | 歌尔声学股份有限公司 | A kind of loud speaker module |
-
2015
- 2015-03-31 CN CN201510149804.2A patent/CN104768109B/en active Active
- 2015-11-18 US US15/542,858 patent/US10277985B2/en active Active
- 2015-11-18 WO PCT/CN2015/094870 patent/WO2016155324A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59191945A (en) * | 1984-03-30 | 1984-10-31 | Matsushita Electric Ind Co Ltd | Electromagnetic induction type wireless electroacoustic transducer |
| CN101803221A (en) * | 2007-04-11 | 2010-08-11 | 奥迪康有限公司 | A wireless communication device for inductive coupling to another device |
| CN102780956A (en) * | 2012-06-15 | 2012-11-14 | 李国材 | Non-plug-in type electromagnetic induction voice-frequency amplifying sound box and audio playing device |
| CN202736283U (en) * | 2012-07-31 | 2013-02-13 | 黄俊杰 | Electro-magnetic induction audio wireless connection system |
| CN103885320A (en) * | 2012-12-21 | 2014-06-25 | 鸿富锦精密工业（深圳）有限公司 | Watch with voice playing function |
| CN203618121U (en) * | 2013-12-11 | 2014-05-28 | 歌尔声学股份有限公司 | Loudspeaker module |
Also Published As
| Publication number | Publication date |
|---|---|
| US10277985B2 (en) | 2019-04-30 |
| US20180014127A1 (en) | 2018-01-11 |
| CN104768109A (en) | 2015-07-08 |
| WO2016155324A1 (en) | 2016-10-06 |
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Address after: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Applicant after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Applicant before: Goertek Inc. |
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